Relevant bibliographies by topics / Progressive cutting tools

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Progressive cutting tools'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Progressive cutting tools"

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Murakami, Daisuke. "The Development Trend of Cutting Tools." Key Engineering Materials 407-408 (February 2009): 8–11. http://dx.doi.org/10.4028/www.scientific.net/kem.407-408.8.

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Cutting tools have been improved to endure severe environments in cutting operations. Especially, ceramic film coating technologies are important. Recently, film structure is optimized and tensile stress in film is controlled, as a result new tools which have the newest coating achieved double the tool life and 1.5 times higher efficiency compared with conventional tools. In tool design, progressive molding and sintering techniques allow more complicated tool shapes which have high rake angles to reduce cutting force, higher accuracy equivalent to grinding class tools and more excellent performance.
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Mrkvica, Ivan, Miroslav Janoš, and Petr Sysel. "Cutting Efficiency by Drilling with Tools from Different Materials." Advanced Materials Research 538-541 (June 2012): 1327–31. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.1327.

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Development of cutting tools is basic condition for rationalization of process cutting because it goes out from need of processing new constructional materials. From view of tool it takes application progressive cutting materials. Cutting tools so relevantly make for accomplishment main demand on methods of cutting; it is provision of high productivity production and attainment of desideration of finish surface. It is known, that cutting property of cutting tool is influence by many factors.
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Matlygin, Georgy, Andrey Savilov, and Tatiana Zarak. "Analysis of progressive machining technologies for rotating cutting tools." Proceedings of Irkutsk State Technical University 24, no. 3 (June 2020): 498–513. http://dx.doi.org/10.21285/1814-3520-2020-3-498-513.

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Li, An Hai, Jun Zhao, Z. Q. Pei, and S. G. Guo. "Progressive Tool Failure in High Speed End Milling of Inconel 718 with Coated Carbide Inserts." Advanced Materials Research 188 (March 2011): 32–37. http://dx.doi.org/10.4028/www.scientific.net/amr.188.32.

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The failure progression of coated carbide tools in end milling of Inconel 718 superalloy was investigated. Tool wear was measured and failure mechanisms were discussed in the experimental process periodically. The experimental results indicated that the tool failure mechanisms were synergistic interaction among abrasive wear, adhesive wear, and fatigue wear. However, abrasive wear and adhesive wear were the main failure mechanisms at the beginning, fatigue wear prevailed the upper hand around the time when edge chipping appeared, and after edge chipping abrasive wear and adhesive wear dominated until the failure time. In addition, the macroscopic failure of the cutting tools is closely correlated to the nucleation and propagation of the crack under cyclic mechanical and thermal impact forces. Mechanical fatigue wear was the key form of fatigue wear at lower cutting speed, while at higher cutting speed thermal fatigue wear was the dominant fatigue wear.
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Mrkvica, Ivan, Ryszard Konderla, Jozef Jurko, Anton Panda, and Miroslav Neslušan. "Force Load of Cutting Tool by Turning of Nickel Alloy Inconel 718 with Sintered Carbide Insert." Applied Mechanics and Materials 372 (August 2013): 441–44. http://dx.doi.org/10.4028/www.scientific.net/amm.372.441.

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This article presents achieved results by measuring of force load of tool by turning of nickel alloy Inconel 718 with sintered carbide inserts with the progressive chip breaker designed by Pramet Tools Ltd. Company. Authors deal with studying of force load which is exposed the cutting tool by condition, when are achieved the limit values in view of tool wear. In the end it is carried out a comparision of intensity of cutting force components for these limit conditions.
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Wanigarathne, P. C., A. D. Kardekar, O. W. Dillon, G. Poulachon, and I. S. Jawahir. "Progressive tool-wear in machining with coated grooved tools and its correlation with cutting temperature." Wear 259, no. 7-12 (July 2005): 1215–24. http://dx.doi.org/10.1016/j.wear.2005.01.046.

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Artamonov, Evgeniy V., Vitaliy V. Kireev, and Vitaliy A. Zyryanov. "An interlocking side mill with retrofittable carbide blades for processing of coarse-pitch tooth wheels." MATEC Web of Conferences 224 (2018): 01051. http://dx.doi.org/10.1051/matecconf/201822401051.

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Nowadays Russian manufacturers of metal-cutting tools for machine-building industry do not offer structures of prefabricated cutting hobs with retrofittable carbide blades for processing of tooth wheels, though usage of retrofittable carbide blades allows to increase significantly working capacity and productivity of the processing. As of today creation of an assembly cutting tool for processing of tooth wheels with the retrofittable carbide blades is a big step forward for machine-building industry. A high quality tool allows warranting for a new equipment and making work of operators more productive. This paper offers a new technical solution providing increase of efficiency of processing by assembly tools with the retrofittable carbide blades made of a hard alloy. Due to usage of progressive cutting patterns division of a margin for straight-line segments and curved sections is performed. This division has a positive impact on cutting hard-alloy inserts and also reduces their wear and tear.
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Pa, Nik Masmiati Nik, Ahmed Aly Diaa Sarhan, Mohd Hamdi Abd Shukor, and Mohsen Abdelnaeim Hassanim Mohamed. "Investigate the Lubrication Effects on Cutting Force and Power Consumption in Up and Down End Milling." Advanced Materials Research 748 (August 2013): 264–68. http://dx.doi.org/10.4028/www.scientific.net/amr.748.264.

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Milling is a machining process by which a surface is generated by a progressive chip removal. An experimental investigation has been carried out on the performance of up and down milling under dry and flood conditions when end milling medium carbon steel utilizing titanium coated carbide tools. The performances are evaluated in terms of the cutting force, specific energy and power of cutting tool. The results show that milling in dry condition under up milling mode produce higher cutting force, specific energy and power. However, cutting under down milling mode gives less significant effect either being cut in dry or flood condition.
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Xie, L. J., D. Zheng, C. Schmidt, and J. Schmidt. "Estimate of Tool Wear in Milling Operation Based on “Differential” Wear Rate Model." Applied Mechanics and Materials 10-12 (December 2007): 786–90. http://dx.doi.org/10.4028/www.scientific.net/amm.10-12.786.

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Many research show that in metal cutting process wear rate is dependent on the cutting process variables such as temperature at tool face, contact pressure (normal stress) and relative sliding velocity at tool/chip and tool/work interface; their relationship is described by “differential” wear rate model. Based on this “differential” wear rate model, a method to estimate tool wear in milling operation is proposed and the cutting process variables are predicted by performing chip formation analysis with FEM code ABAQUS/Explicit and heat transfer analysis with ABAQUS/Standard. The implementation is exemplified by estimating tool wear of carbide tools in milling of Ck45 work. Both progressive flank wear and crater wear profile are estimated.
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Dureja, J. S., V. K. Gupta, V. S. Sharma, and M. Dogra. "Wear mechanisms of coated mixed-ceramic tools during finish hard turning of hot tool die steel." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 224, no. 1 (August 4, 2009): 183–93. http://dx.doi.org/10.1243/09544062jmes1691.

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The present study aims to investigate the wear mechanisms of a TiN-coated mixed ceramic tool prevalent under different machining conditions during hard turning of hot tool die steel. The different wear mechanisms observed are abrasion wear at low cutting speed, low feed rate, and highest work piece hardness; formation of protective layer and built-up edge (BUE) resulting from tribochemical reactions between constituents of tool and work piece material at moderate speed. High temperature accompanied by high cutting speed resulted in the removal of the protective layer and suppressed the BUE formation. Hard carbide particles of work material at a higher feed rate severely gouged the tool flank land. Chipping and brittle fractures were observed at very low and high depth of cut. Adhesion of work piece material followed by plastic deformation and notching was clearly visible at low work piece hardness. The influence of cutting speed, feed rate, depth of cut, and work piece hardness on the progressive tool flank wear, and flank wear rate (VBr-μm/km) in the steady wear region was also analysed.
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Dissertations / Theses on the topic "Progressive cutting tools"

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Juráň, Jaromír. "Optimalizace technologie součásti "nosná deska" ve firmě PROMAT Vsetín." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228355.

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Valorization and analysis of machining technology for the production of aluminium part and consecutively project optimization part production. New advanced cutting tools selection and application of new technologies. The adjustment and simplification of the existing NC program for given CNC machining centre and its final debugging. In the final part, there is an economical and technical evaluation of firm benefits and recommendations into production.
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Fabík, Pavel. "Návrh technologie výroby tvarované duté nádoby." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229995.

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The project developed in the master's degree in M2-P, proposes a technology of hollow metal components DX53D+Z275N+NC with holes sheet metal forming. For batch production 225 000 units per year, on the basis of literary study problems of production of components there is designed a new way of producing components for progressive tools and it is compared with current production of simple tools. A progressive tool has 12 steps and combines them in cutting, drawing and extrusion. The tool is mounted in the hydraulic press KAISER KSTU2500 with a maximum force of 2500 kN. Simulations were performed for the campaign in the PAM-STAMP 2G 2011.
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Janáček, Adam. "Výroba tělesa západky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378996.

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Thesis evaluaes production of the body latch, which is used for window, window shutter and door locking. It is made from 11 375 steel sheet which is 1 mm thick. Annual production is 50000 pcs. Progresive cutting and drawing in one combined tool and finishing product in single opperation drawing tool was choosen as most effective. Single operation drawing will be operated manually. Tools was designed by series of technological callculations to which was projected presses Šmeral LDC 160 with additional devices. Acording to economic valuation, cost of production of one piece is 16,50 Kč and production becames profitable after production of 27185 pieces.
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Kyselá, Lenka. "Návrh výroby části otvíráku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-432605.

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Diploma thesis introduces the design of a functional part of a wine opener, focusing on simplicity and effectivity of the manufacturing process with the use of progressive stamping tool. The part will be made by technology of progressive cutting and bending. For the production of the specified part stainless steel coil marked as 17 241.4 will be used This material is suitable for the use in commercial gastronomy thanks to its qualities. Also in this thesis there are technical calculations, suggestios for of optimal tools, economic calculations, and technical-economic evaluation of the production of the specified part.
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Repatý, Michal. "Výroba regálové lišty." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-379021.

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The paper evaluates technological, economic and construction aspects of the component production and the design of the tool serving for large-scale production of the S355MC steel rack component. Use of a progressive tool combining cutting and bending operations in four steps has been decided as the most appropriate according to literature study. Based on the need of production of two plane-symmetrical pieces at a time, the tool will produce both pieces simultaneously, which is economically advantageous. The tool is designed for use on the Arisa 630t mechanical press. Material will be winded off the roll, flattened and pushed into the tool by a precision feeder. The total cost of production of the component was set at 18.80 CZK.
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Rubáš, Petr. "Výroba krycího plechu zámku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399388.

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The thesis is focused on the proposal design of the technology of the production of the cover plate of the lock, which together with other parts forms part of the fifth door of the passenger car. The cover is made of 2 mm metal sheet and includes a number of bends, embosses, cuts and trimmed holes. Based on production requirements and a series size of 1,200,000 pieces over 3 years, the production using a progressive composite tool was chosen. The part will be made in eleven steps composing of cutting, stamping, bending and edging. Micro-alloyed structural steel S355MC was chosen as the most suitable material. The part will be produced on the press KSTU 5000-30-7G RKM from the company ANDRITZ Metals and the price of the product is 14,33 CZK.
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Kratina, Patrik. "Výroba držáku uhlíku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417061.

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This master´s thesis focuses on the concept of manufacturing of carbon brush holder, made of steel S235JRG (ČSN 11 343), with thickness of 1,5 mm. In order to reduce costs, it was decided to manufacture the holder with progresive stamping tool, which combines cutting, bending and edging operations in order to achieve specific part shape. Based on relevant calculations the mechanical press LEN 63 C was chosen. The production series was set at 50 000 pieces.
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Hollein, Radek. "Výroba krytu vpusti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-319250.

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Diploma thesis deals with the design of producing the cover drain. The cover serves to catch impurities while draining liquids. The part is made of 1.4301 stainless steel, using 1-mm thick sheet metal. The size of the annual production series is 30,000 units. As an optimal method of production, progressive cutting and shallow drawing were selected in a combined and a one-purpose tool. Technological and design calculations were performed according to which tools were designed. The LENP 100 press was selected considering the total required pressing force. The cost of one piece production was calculated at 18.91 CZK and the production becomes profitable with annual production higher than 19,478 units per year.
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Starý, Petr. "Výroba plechu držáku projektoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-416446.

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The diploma thesis presents technology production design of a data projector bracket made of 2 mm thickness 11 321 steel plate. Considering the large production quantity and maximum tolerable deviations, a progressive die tool along with cutting and bending was chosen as the optimal solution for this type of production, based on a variant solution. Technological aspects were assessed, the production process was established, and technological and control calculations were performed. According to the total forming force of 2 000 kN, the LDC 250 mechanical press with a nominal force of 2 500 kN, manufactured in Šmeral Brno a.s., was chosen to meet the production requirements. The chosen material in a form of metal sheet coils will be supplied to the machine by a feeding device. The article will be manufactured in six steps. Based on technical-economic evaluation, the final price of a single piece in a series of 250 000 pieces per year was set at 30,80 Kč.
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Books on the topic "Progressive cutting tools"

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Kulik, V. K. Progressivnye prot͡s︡essy obrabotki fasonnykh poverkhnosteĭ. Kiev: "Tekhnika", 1987.

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N, Korchak S., Mironov I. I͡A︡, Lakirev S. G, and Cheli͡a︡binskiĭ gosudarstvennyĭ tekhnicheskiĭ universitet, eds. Progressivnye tekhnologii v mashinostroenii: Tematicheskiĭ sbornik nauchnykh trudov. Cheli͡a︡binsk: Cheli͡a︡binskiĭ gos. tekhn. universitet, 1996.

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Book chapters on the topic "Progressive cutting tools"

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Zadshakoyan, Mohammad, and Vahid Pourmostaghimi. "Metaheuristics in Manufacturing." In Advancements in Applied Metaheuristic Computing, 118–42. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-4151-6.ch005.

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The state of a cutting tool is an important factor in any metal cutting process as additional costs in terms of scrapped components, machine tool breakage and unscheduled downtime result from worn tool usage. Therefore, tool wear prediction plays an important role in industry automation for higher productivity and acceptable product quality. Therefore, in order to increase the productivity of turning process, various researches have been made recently for tool wear estimation and classification in turning process. Chip form is one of the most important factors commonly considered in evaluating the performance of machining process. On account of the effect of the progressive tool wear on the shape and geometrical features of produced chip, it is possible to predict some measurable machining outputs such as crater wear. According to experimentally performed researches, cutting speed and cutting time are two extremely effective parameters which contribute to the development of the crater wear on the tool rake face. As a result, these parameters will change the chip radius and geometry. This chapter presents the development of the genetic equation for the tool wear using occurred changes in chip radius in turning process. The development of the equation combines different methods and technologies like evolutionary methods, manufacturing technology, measuring and control technology with the adequate hardware and software support. The results obtained from genetic equation and experiments showed that obtained genetic equations are correlated well with the experimental data. Furthermore, it can be used for tool wear estimation during cutting process and because of its parametric form, genetic equation enables us to analyze the effect of input parameters on the crater wear parameters.
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Conference papers on the topic "Progressive cutting tools"

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Hamade, R. F., and A. H. Ammouri. "Current Rise Index (CRI) Maps of Machine Tool Motors for Tool-Wear Prognostic." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64706.

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Quantitative polar maps of tool-wear of cutting tools (here, chisel drills) undergoing dry machining are charted based only on transducers reporting electrical current measurements from machine (spindle and feed drives) motors. Associated with these maps are qualitative descriptions of the various modes of tool-wear afflicting the drill tools. These tool-wear maps are based a novel wear criterion developed here that relies on the % increase in motor (spindle and feed drive motors) RMS current values and is dubbed the Current Rise Index (CRI). For verification in a drilling operation application, this index is found to positively track the progressive increase in tool-wear. Utilizing this CRI and the associated polar plots, monitoring of cutting tools may be achieved simply by machine tool operator via visual monitoring of polar CRI maps generated in real-time. Naturally, such plots lend themselves to automated prognosis by common control techniques utilized in machine tool operations. Such maps may also serve as indirect means of predicting tool-wear in automated cutting operations.
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Lan, Guan-Jhong, and Chi-Lun Lin. "A Computational Approach Using Surface-Based Cohesive Behavior to Study Tissue Cutting With Rotation in Vacuum-Assisted Biopsy." In 2017 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dmd2017-3443.

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Vacuum-assisted biopsy (VAB) is a widely used technology to sample lesion tissue for breast cancer diagnosis. The technology is designed to retrieve tougher and larger breast tissue samples. The majority of VAB tools utilize a so-called rotational cutting method, in which the cutting needle simultaneously rotates and translates to produce both tangential and normal forces at the cutting surface of the tissue. The introduction of the tangential force can significantly reduce the cutting force measured in the axial direction. As a result, higher quality of tissue samples can be obtained as the samples are less deformed while being removed. The slice-push ratio, i.e. the ratio of the speed component parallel to the cutting edge to the speed component perpendicular to the cutting edge, was previously found to be the most important factor to influence the cutting force [1]. However, these studies only investigated the cases in low translational cutting speeds in a small-scale experiment. In this paper, we present a finite element (FE) model based on surface-based cohesive behavior, which simulates the rotational cutting method used in VAB to predict the progressive damage and the cutting force of soft tissue phantoms. The model is validated using the experimental data provided in the previous study [1]. The validated model will allow us to explore more cutting conditions, such as higher translational speeds, larger range of slice-push ratio, and tissue properties. The model can also be used to optimize design parameters of current VAB needles and to evaluate new VAB needle designs.
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Syzrantsev, Vladimir N., Juriy G. Denisov, Vyacheslav P. Wiebe, and Andrey A. Pazyak. "The Design and Production of Drives Based on Pan Precess Gear for Oil and Gas Machinery." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-47096.

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The paper describes the results of design and production of new generation valve drives for oil and gas machinery. The drives are based on the use of pan precess gear. The gear has a high performance coefficient (88…90%), smooth operation, low starting torque and ability to remain functioning even under severe conditions of operation. Basic dependencies for geometric calculation of the gear are showed. The problem of synthesizing geometric parameters of the gear as well as calculating parameters and settings of tools (circular cutting heads) and gear-cutting machines has been solved. The results of synthesizing the gear geometric parameters according to the size and shape of the contact pattern are showed. Methods of calculating pan precess gear loading have been developed considering multiple contact of teeth in meshing. The manufactured drives for valves and reduction valves used in progressive cavity pumps for heavy oil production are presented.
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Das, Ranjan, Suhas S. Joshi, and Harish C. Barshilia. "Analytical Model of Progression of Flank Wear Land Width in Drilling." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-68134.

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In multi-point operations like drilling, cutting velocities and cutting edge geometries vary along cutting lips so is the rate of progression of flank wear. Analytical evaluation of flank wear land width in the case of complex tools has received a limited attention so far. This work evaluates progression of flank wear in orthogonal machining and adopts it to drilling. An abrasive flank wear has been modeled, wherein, cutting speed determines the rate of abrasion, and the feed rate determines the chip load. The model considers stress distribution along rake surfaces, and temperature dependent properties of tool and work materials. Assuming that the flank wear follows a typical wear progression as in a pin-on-disc test, the model evaluates cutting forces and the consequent abrasive wear rate for an orthogonal cutting. To adopt it to drilling, variation in cutting velocity and, dynamic variation in rake, shear and friction angles along the length of the cutting lips have been considered. Knowing the wear rate, the length of the worn out flank (VB) has been evaluated. The model captures progression of flank wear in zones I, II and III of a typical tool life plot. It marginally underestimates the wear in the rapid wear region and marginally overestimates it in the steady-state region.
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Burger, Uli, Matthew Kuttolamadom, April Bryan, Laine Mears, and Thomas Kurfess. "Volumetric Flank Wear Characterization for Titanium Milling Insert Tools." In ASME 2009 International Manufacturing Science and Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/msec2009-84256.

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Machining wear models are useful for the prediction of tool life and the estimation of machining productivity. Existing wear models relate the cutting parameters of feed, speed, and depth of cut to tool wear. The tool wear is often reported as changes in flank width or crater depth. However, these one-dimensional wear measurements do not fully characterize the tool condition when tools wear by other types of wear such as notching, chipping, and adhesion. This is especially true when machining difficult-to-machine materials such as titanium. This paper proposes another approach for characterizing tool wear. It is based on taking measurements of the retained volume of the cutting tool. The new wear characterization approach is used to demonstrate the progression of volumetric wear in titanium milling.
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Hassan, M., A. Sadek, A. Damir, M. H. Attia, and V. Thomson. "Tool Pre-Failure Monitoring in Intermittent Cutting Operations." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65748.

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Tool failure remains one of the most challenging phenomena in machining that affects the productivity and product quality, and hence the cost. In high feed rough milling operations of hard-to-cut materials, chipping and breakage have been observed as the dominant failure modes of the end mill cutters. Most of the work in the open literature is focusing on either detecting the complete tool breakage after it takes place or detecting the progressive tool wear. Detecting the abrupt/sudden tool failure due to tool chipping before it takes place, which is essential to avoid any damage to the machined part, has not been addressed. Therefore, the main objective of this research work is to investigate the ability of using the process monitoring signals in order to detect the tool pre-failure and failure by chipping/breakage in intermittent cutting operations. A method was devised to induce impact load on the cutting tool tip to study the features of signals collected by various sensors due to unstable crack propagation and chipping, while ensuring minimal tool wear effect. The acoustic emission (AE) signal features were able to successfully capture tool pre-failure, while other signals could detect the failure occurrence only.
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Kothuru, Achyuth, Sai Prasad Nooka, and Rui Liu. "Cutting Process Monitoring System Using Audible Sound Signals and Machine Learning Techniques: An Application to End Milling." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-3069.

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In a fully automated manufacturing system, tool condition monitoring system is essential to detect the failure in advance and minimize the manufacturing loses with the increase in productivity. To look for a reliable, simple and cheap solution, this paper proposes a new tool wear monitoring model to detect the tool wear progression and early detection of tool failure in end milling using audible sound signals. In this study, cutting tools are classified into six classes based on different flank wear ranges. A series of end milling experiments are operated with a broad range of cutting conditions for each class to collect sound signals. A machine learning algorithm that incorporates support vector machine (SVM) approach coupled with the application of time and frequency domain analysis is developed to correlate observed sound signals’ signatures to tool wear conditions. The performance evaluation results of the proposed algorithm have shown accurate predictions in detecting tool wear conditions from the sound signals. In addition, the proposed machine learning approach has shown the fastest response rate, which provides the good solution for on-line cutting tool monitoring.
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Mathiyazhagan, Vijayathithan, and Anil Meena. "Comparative Study of Material Damage and Tool Wear Mechanisms During Drilling of CFRP/Ti Stack." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11191.

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Abstract The usage of CFRP and Ti stacks in the aerospace industry has widely increased due to its mechanical properties and improved structural functions but at the same time, different mechanical and thermal properties of the CFRP and Ti makes the process difficult. Major apprehensions in the drilling of CFRP/Ti stacks include rapid tool wear and poor hole quality. Typically, the surface quality of the holes in the drilling of CFRP/Ti stack is poor due to delamination, the progression of hole diameter in CFRP and burr formation in Ti. Moreover, the flank wear on the tool also influences the surface quality of the hole produced. Therefore, the present study is mainly focused on the influence of cutting parameters on cutting forces, hole quality and tool wear characteristics. Drilling was performed on CFRP/Ti stack using coated and uncoated carbide tools. The obtained results revealed a significant correlation between tool wear and delamination characteristics.
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Liu, Rui. "A Novel Edge Computing Based Architecture for Intelligent Tool Condition Monitoring." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8499.

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Abstract Edge computing has been recognized as a potential solution to enable intelligent manufacturing in the machining industry, especially for the small and medium-sized manufacturers. However, while various research studies have proposed their edge-based architectures for intelligent systems, there still exists a lack of practical and affordable technological plans that can be applied to complex machining process designs in actual production scenario. The objective of this research is to realize the tool condition monitoring (TCM) in machining by the edge computing based architecture for actual mass production. This study creatively proposes a calibration-based TCM system to monitor the cutting tool conditions in repetitive machining operations by comparing the characteristic signals generated by the reference cutting tools in the calibration procedure with the signal generated by the cutting tool in production through a concise similarity analysis, which can be easily integrated into typical cyber-psychical systems to realize the edge computing in a very efficient and flexible way. To validate the performance of the proposed architecture, a case study is demonstrated for tool wear monitoring of repetitive milling operations with a complex machining process design. Experimental validation has shown that the proposed edge-based TCM system can effectively monitor the tool wear progression which is in good agreement with actual wear measurements.
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10

Shashidhara, Shreyas, Xinyu Liu, Weihang Zhu, James Curry, and Victor Zaloom. "Experimental Investigation of the Tool Wear and Tool Life in Micro Hard Milling." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65607.

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The objective of this project is to experimentally investigate the influence of Minimum Quantity Lubrication (MQL) on tool wear and tool life in micro hardmilling. The experiments were performed on stainless steel using uncoated WC micro-mill with the nominal diameter of 508 microns. The tool wear is characterized by the volume of the material loss at the tool tip. In order to reveal the progression of the tool wear, the worn tool was examined periodically under SEM after a fixed amount of workpiece material removal (1.25 mm3 or 5 slots in this study). The tool life was characterized as the amount of material removed, instead of the conventional cutting times. The feedrate and the spindle speed were fixed, and two levels of axial depth of cut (50 and 75 microns) were compared. The higher depth of cut leads to longer tool life. The machining performance under MQL is superior to the dry machining for both process conditions in terms of the tool life. The cutting forces in feed direction and the surface roughness at the bottom of the slots were also examined during the experiments. The magnitude of the machining forces showed cyclic pattern for both MQL and dry machining. The SEM images and the cutting force signals suggested that the dominant mode of the tool wear in micro-milling is edge chipping and abrasive wear at the tool tip. The loss of the micro-grain of WC at the cutting edge leads to edge chipping, which reduces the effective cutting diameter; the abrasive wear enlarge the edge radius, causing the cutting force increase. As the cutting edge radius reaches a certain dimension, the whole edge was stripped off, a new edge formed with a smaller edge radius, and the cycle restarts. Under MQL cutting conditions, three cycles were observed before tool failure, while under dry machining conditions, the tool only experienced two cycles before tool breakage. The surface roughness at the bottom of the slots improved significantly with the application of MQL for all levels of the tool wear. The surface roughness did not increase drastically as the tool wear increased. It reached a plateau after the tool wear went into gradual wear state. Further experiments and theoretical analysis will be pursued in the future to gain a deeper understanding of tool wear mechanism in micro-milling.
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